Hennerich, Michael wrote on 2010-07-01: > Dmitry Torokhov wrote on 2010-07-01: >> On Fri, Jun 25, 2010 at 02:59:24PM +0100, Hennerich, Michael wrote: >>> Dmitry Torokhov wrote on 2010-06-25: >>>> Hi Mike, Michael, >>>> >>>> On Tue, Oct 20, 2009 at 04:40:39AM -0400, Mike Frysinger wrote: >>>>> From: Michael Hennerich <michael.hennerich@xxxxxxxxxx> >>>>> >>>>> This is a driver for the ADXL345/346 Three-Axis Digital >>>>> Accelerometers. >>>>> >>>> >>>> As I mentioned in one of the threads I decided to pull 3-axis >>>> acceleromenetrs into input and I am finally getting around to >>>> apply the patch... However I messed a bit with it so I was >>>> wondering if someone could give it a short spin to see if I broke it or not. >>>> >>>> Thanks! >>>> >>> >>> Hi Dmitry, >>> >>> Thanks for merging this driver. I gave it a quick spin. And there is >>> one issue. There is a code path that is taken with the mutex held, >>> which is also trying to acquire the mutex. >>> >>> Take a look at >>> >>> adxl34x_input_close() -> __adxl34x_disable() or >>> adxl34x_disable() -> __adxl34x_disable() >>> >>> I think __adxl34x_disable() should not acquire the mutex! >>> >> >> Yes, indeed it shoudl not have. I fixed it up and applied the patch. >> Could you also please try the following patch - hopefully it also >> works >> ;) >> >> Thank you in advance. >> > > Hi Dmitry, > > A few minor things. > See patch below. > > -adxl34x is on startup not disabled - otherwise user must reset > disable sysfs hook before the driver delivers any data. > -restore erroneously dropped line in adxl34x_calibrate_store() -fix > typo in adxl34x-i2c.c (l versus 1) > > Signed-off-by: Michael Hennerich <michael.hennerich@xxxxxxxxxx> > > drivers/input/misc/adxl34x-i2c.c | 6 +++--- > drivers/input/misc/adxl34x.c | 3 ++- > 2 files changed, 5 insertions(+), 4 deletions(-) > diff --git a/drivers/input/misc/adxl34x-i2c.c > b/drivers/input/misc/adxl34x-i2c.c index b1b8df3..0779724 100644 --- > a/drivers/input/misc/adxl34x-i2c.c +++ > b/drivers/input/misc/adxl34x-i2c.c @@ -58,14 +58,14 @@ static int > adxl34x_i2c_read_block(struct device *dev, > return 0; > } > -static const struct adxl34x_bus_ops adx134x_smbus_bops = { > +static const struct adxl34x_bus_ops adxl34x_smbus_bops = { > .bustype = BUS_I2C, > .write = adxl34x_smbus_write, > .read = adxl34x_smbus_read, > .read_block = adxl34x_smbus_read_block, > }; > -static const struct adxl34x_bus_ops adx134x_i2c_bops = { > +static const struct adxl34x_bus_ops adxl34x_i2c_bops = { > .bustype = BUS_I2C, > .write = adxl34x_smbus_write, > .read = adxl34x_smbus_read, > @@ -88,7 +88,7 @@ static int __devinit adxl34x_i2c_probe(struct > i2c_client *client, > ac = adxl34x_probe(&client->dev, client->irq, false, > i2c_check_functionality(client->adapter, > I2C_FUNC_SMBUS_READ_I2C_BLOCK) ? > - &adx134x_smbus_bops : &adx134x_i2c_bops); > + &adxl34x_smbus_bops : &adxl34x_i2c_bops); > if (IS_ERR(ac)) > return PTR_ERR(ac); > diff --git a/drivers/input/misc/adxl34x.c > b/drivers/input/misc/adxl34x.c index 2706ea0..756f4d0 100644 > --- a/drivers/input/misc/adxl34x.c > +++ b/drivers/input/misc/adxl34x.c > @@ -514,6 +514,7 @@ static ssize_t adxl34x_calibrate_store(struct > device *dev, > ac->hwcal.y -= (ac->saved.y / 4); > ac->swcal.y = ac->saved.y % 4; > + ac->hwcal.z -= (ac->saved.z / 4); > ac->swcal.z = ac->saved.z % 4; > > AC_WRITE(ac, OFSX, (s8) ac->hwcal.x); @@ -724,7 +725,7 @@ struct > adxl34x *adxl34x_probe(struct device *dev, int irq, pdata = &ac->pdata; > > ac->input = input_dev; > - ac->disabled = true; > + ac->disabled = false; > ac->dev = dev; > ac->irq = irq; > ac->bops = bops; > > > Greetings, > Michael > > Analog Devices GmbH Wilhelm-Wagenfeld-Str. 6 80807 Muenchen > Sitz der Gesellschaft Muenchen, Registergericht Muenchen HRB 4036 > Geschaeftsfuehrer Thomas Wessel, William A. Martin, Margaret Seif Hi Dmitry, The driver in your next tree misses a piece from my last patch. adxl34x is on startup not disabled - otherwise user must reset disable sysfs hook before the driver delivers any data. Signed-off-by: Michael Hennerich <michael.hennerich@xxxxxxxxxx> drivers/input/misc/adxl34x.c | 2 +- 1 files changed, 1 insertions(+), 1 deletions(-) diff --git a/drivers/input/misc/adxl34x.c b/drivers/input/misc/adxl34x.c index e2ca017..06235ee 100644 --- a/drivers/input/misc/adxl34x.c +++ b/drivers/input/misc/adxl34x.c @@ -724,7 +724,7 @@ struct adxl34x *adxl34x_probe(struct device *dev, int irq, pdata = &ac->pdata; ac->input = input_dev; - ac->disabled = true; + ac->disabled = false; ac->dev = dev; ac->irq = irq; ac->bops = bops; Greetings, Michael Analog Devices GmbH Wilhelm-Wagenfeld-Str. 6 80807 Muenchen Sitz der Gesellschaft Muenchen, Registergericht Muenchen HRB 4036 Geschaeftsfuehrer Thomas Wessel, William A. Martin, Margaret Seif -- To unsubscribe from this list: send the line "unsubscribe linux-input" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html